Chapter 6: Advanced Graphing Features — Advanced Keyboard

3.Press the Ykey to go to the Graph Equation Entry window.

4.At the first equation entry row, enter u(n - 1) + 100. When done entering, press

E.

5.At the next entry row, make

sure that it has the starting value “0”.

6.Bring the cursor down, and clear the rest of the four rows.

7.Press G, then press Z, 1 Auto to view the graph. Two diagonal parallel lines should appear; the top line repre- sents the n value, while the

n–1value is represented by the line below.

8.Press Uto trace the graph. As 'is pressed, you will see the traced points

connected with lines, indicating the comparison between the n and n–1values.

5.The CALC Function

The CALC function utilizes the entered graph equation to calculate values. In conjunction with the 4 graph coordinates, it can be called up anywhere. Note however that the CALC function will not do anything if no graph equation has been entered or specified.

The following is an example that uses the previously entered polar graph equations above.

1.First, verify the graph coordinate mode by pressing

@;; check to see if

E COORD is set to Polar. If not, this will need to be changed accordingly. Also,

make sure the angle unit B DRG is set to Rad. Otherwise the graph will not be drawn correctly.

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Sharp EL-9900 operation manual Calc Function
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EL-9900 specifications

The Sharp EL-9900 is a remarkable scientific calculator that exhibits a fusion of advanced features, cutting-edge technology, and an ergonomic design tailored for both students and professionals. One of the standout characteristics of the EL-9900 is its extensive range of functions, boasting over 550 built-in calculations that cover various mathematical and scientific disciplines. This calculator is particularly popular among engineering and physics students due to its ability to handle complex calculations with ease.

One of the key features of the EL-9900 is its 2-line display, which allows users to view both the input and the result simultaneously. This dual display enhances usability, especially when dealing with intermediate steps in calculations. The calculator also includes a built-in 12-digit LCD screen, which ensures clarity and precision in reading numbers, making it easier for users to work for extended periods without straining their eyes.

The EL-9900 is equipped with a wide array of mathematical functions, including trigonometric, logarithmic, and exponential functions. Notably, it supports fraction calculations, statistical analyses, and unit conversions. Its advanced programming capabilities, such as 36 programmable functions and the ability to store data, further enhance its functionality, allowing users to create custom calculations tailored to specific needs.

One of the more modern technologies incorporated into the EL-9900 is its solar-powered function, which is complemented by a battery backup, ensuring that the device remains operable in varied lighting conditions. This environmentally friendly design reduces the need for frequent battery replacements, making it a cost-effective choice for users.

In terms of design, the Sharp EL-9900 boasts a slim profile and lightweight construction, which makes it portable and easy to carry. Its durable casing ensures that it can withstand the rigors of daily use, whether in a classroom setting or a professional environment.

Overall, the Sharp EL-9900 stands out as a versatile scientific calculator packed with features designed to meet the needs of students and professionals alike. Its robust functionality, clear display, and user-friendly design make it a reliable tool for anyone engaged in mathematical and scientific pursuits. Whether used for basic calculations or advanced problem-solving, the EL-9900 remains a powerhouse in the realm of scientific calculators.
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